Method 5: Lower Your Fallout 4 In-Game Graphics.Method 4: Check Fallout 4 Compatibility Settings.Method 3: Verify the Integrity of Your Fallout 4 Game Files.Method 1: Install the Latest Patch Files To Fix Fallout 4 Crashing.Minimum System Requirements to Play Fallout 4 on Windows PC.What Causes Fallout 4 Keeps Crashing Issue?.